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When is the Best Time to Explore San Juan?

If you're wondering when is the best time of year to travel to San Juan, you might find this info about seasonal weather useful when you are planning your trip. The warmest months in San Juan are typically August and July, whereas the coldest months are usually July and August. The months with the most rain are March and January, whereas July and June have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 15°C and at night it is 9°C. Seasonal average rainfall is 781 mm.
• If you visit between April and June, you can expect an average temp of 16°C during the day and 8°C at night. Average rainfall during this season is 369 mm.
• The daytime average temp from July to September is 16°C and the night-time average is 7°C. Average precipitation for this season is 258 mm.
• Between October and December, the average temp during the day is 16°C and 9°C at night. Seasonal average rain is 623 mm.
• The annual rainfall average in San Juan is 2030 mm.